A case of hereditary angioedema involving recurrent abdominal attacks

Yoshihiro Kasamatsu, Kiyokazu Yoshinoya, Yu Kasamatsu, Tetsuro Yamamoto, Takahiko Horiuchi, Masatoshi Kadoya

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


A 44-year-old Japanese woman was diagnosed with type 1 hereditary angioedema (HAE) at the age of 30. In March 2007, she began suffering from severe abdominal pain due to intestinal edema. After treatment with C1-INH concentrate, her symptoms disappeared. However, during the subsequent three years, the frequency of the attacks increased continuously, and C1-INH concentrate was necessary for treatment of every attack. The increase in the number of attacks might have been due to the frequent injection of C1-INH concentrate or the deterioration of her disease course. In a genetic investigation, the patient was found to have a novel mutation in the C1-INH gene.

Original languageEnglish
Pages (from-to)2911-2914
Number of pages4
JournalInternal Medicine
Issue number23
Publication statusPublished - Dec 1 2011

All Science Journal Classification (ASJC) codes

  • Internal Medicine


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